Flight Software Systems Engineer with Security Clearance

York Space Systems was founded to radically improve spacecraft affordability and reliability, transforming, and enabling next- generation space mission operations worldwide. Today, York is one of the most innovative aerospace companies, specializing in end-to-end customer solutions and the rapid production of spacecraft platforms.

York's complete Space Segment Solution includes spacecraft production, payload integration, system integration & test, launch services, ground segment services, and mission operations, enabling customers to leverage York's existing technology solutions to get to orbit rapidly and responsively. We're looking to expand our team across the board. York Space Systems is seeking a Flight Software Systems Engineer to enable design, development, test, and delivery of mission-critical software for spacecraft systems.

This role focuses on real-time and embedded Linux-based flight software, enabling reliable command, telemetry, networking, and autonomy across on-orbit vehicles. The ideal candidate is a hands-on engineer with strong systems thinking who can operate across the full lifecycle-from architecture and development through integration, test, and on-orbit support. Not all skills below are required, we encourage you to apply if you have an interest in learning! Responsibilities

• Derive requirements for embedded flight software in C/C++ for spacecraft systems
• Support development planning with FSW management and vehicle systems engineering activities in a cross functional team
• Integrate software with hardware components (on board computers, radios, payloads) in Hardware In The Loop (HITL) and simulated environments
• Develop and execute test strategies (unit, integration, system, and mission-level testing)
• Support on-orbit operations, debugging, and anomaly resolution
• Contribute to software architecture, requirements, and interface definitions
• Collaborate across platform, applications, mission ops, and hardware teams Required Qualifications
• Bachelor's degree in Computer Engineering, Electrical Engineering, Computer Science, or related field
• 2+ years of experience in embedded software development
• Proficiency with Atlassian JIRA
• Prior experience with software development ticket management, requirement management frameworks
• Experience debugging hardware/software integration issues
• Proficiency in C/C++, Git/Gitlab (or other code repository management tooling)
• Must have the ability to independently navigate source code, in order to correlate requirements, developed capabilities, and human interfaces for operations
• Must be clearance eligible and ability to maintain an active Secret Clearance or higher
• Willingness to work full-time in our Greenwood Village, CO office; this position does not support remote or hybrid work.
• Love space!

Preferred Qualifications

• Familiarity with networking protocols (TCP/IP, UDP, routing concepts)
• Experience with spacecraft, aerospace, or safety-critical systems
• Experience with embedded Linux systems (drivers, networking, system-level debugging)
• Knowledge of real-time systems and deterministic software design
• Familiarity with CCSDS, DTN, or space communication protocols
• Understanding of cybersecurity principles (secure boot, signing, key management)
• Experience supporting on-orbit operations or live systems
• Active Secret Clearance In compliance with local law, we are disclosing the compensation, or a range thereof, for roles in locations where legally required. Actual salaries will vary based on several factors, including but not limited to external market data, internal equity, location, skill set, experience, and/or performance. Benefits
• 100% employer-paid medical, dental, and vision insurance (subject to spousal surcharge).
• Company holidays, floating holidays, and sick time.
• Unlimited PTO.
• Generous 401(k) match. How To Apply

Interested candidates are encouraged to apply by clicking the "Apply" link at the top of the page. York Space Systems will be accepting applications on a rolling basis until the position is closed. York Space Systems provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, military or protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws. Must have permanent authorization to work in the United States. This policy applies to all terms and conditions or employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training. YORK SPACE SYSTEMS IS AN EEO EMPLOYER.